File list (Check if you may need any files):
DLL_1\.untf
.....\automake.log
.....\DLL_1.dhp
.....\DLL_1.ise
.....\DLL_1.ise_ISE_Backup
.....\hs_dll.bld
.....\hs_dll.cel
.....\hs_dll.cmd_log
.....\hs_dll.lso
.....\hs_dll.ngc
.....\hs_dll.ngd
.....\hs_dll.ngr
.....\hs_dll.prj
.....\hs_dll.stx
.....\hs_dll.syr
.....\hs_dll.ucf
.....\hs_dll.v
.....\hs_dll_summary.html
.....\hs_dll_vhdl.prj
.....\Project.dhp
.....\__projnav.log
.....\.........\DLL_1.gfl
.....\.........\DLL_1_flowplus.gfl
.....\.........\ednTOngd_tcl.rsp
.....\.........\hs_dll.xst
.....\.........\parentCreateTimingConstraintsApp_tcl.rsp
.....\.........\runXst_tcl.rsp
.....\.........\sumrpt_tcl.rsp
.....\.ngo\netlist.lst
.....\xst\work\hdllib.ref
.....\...\....\vlg7A\hs__dll.bin
hs_dll.v
LIP1241CORE_hs_dll.doc
DLL_1\xst\dump.xst\hs_dll.prj\ngx\opt
.....\...\........\..........\...\notopt
.....\...\........\..........\ngx
.....\...\work\vlg7A
.....\...\dump.xst\hs_dll.prj
.....\...\work
.....\...\dump.xst
.....\__projnav
.....\_xmsgs
.....\_ngo
.....\xst
DLL_1